Mailbox



FIG. 1 is a front view of an mailbox showing our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is side view thereof;

FIG. 5 is side view thereof; and,

FIG. 6 is back view thereof.

The ornamental design for the mailbox, as shown and described.